BIOLOGY HIGH SCHOOL

Which of the following is not a characteristic of a climax community?a. high levels of biodiversity
b. presence of complex organisms
c. conditions suitable for all organisms
d. experiences no change

Answers

Answer 1
Answer: d. experiences no change

Those traits that a climax community experiences have a tremendous amount of rapid happenings over its course in time. The increase of biodiversity, the rising of those more complex organisms for example humans or mammals for that matter, the reshaping of the earth's biosphere.  
Answer 2
Answer:

Answer: d. experience no change

Explanation:

An ecological succession is a phenomena of gradual changes that occur in the biotic community of the ecosystem with respect to changes occurring in non-living components of the environment in a particular time frame until the ecosystem attains stability.

A climax community is the community which develops at the end of the ecological succession. It is the stage of ecological succession which does not require any change in terms of biotic community and the surrounding non-living environment.

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Phosphorus is contained in _______.a. living organisms
b. soil
c. bodies of water
d. all of the above

Answers

Phosphorus is contained in living organisms, soil, and bodies of water. Thus, the correct answer for this question is D, i.e. all of the above.

What are the functions of Phosphorus?

The functions of Phosphorus are as follows:

  • It significantly involves in the formation of bones and teeth.
  • It plays an important role in the utilization of body carbohydrates and fats.
  • It is also required by the body in order to make proteins for normal growth and development.
  • Phosphorus is actively involved in the maintenance and repair of cells and tissues.

Phosphorus is contained in the genetic material of living organisms. It is also present in the soil which is one of the essential primary macronutrients along with nitrogen and potassium. Phosphorus is also present in water bodies.

Therefore, phosphorus is contained in living organisms, soil, and bodies of water. Thus, the correct answer for this question is D, i.e. all of the above.

To learn more about Phosphorus, refer to the link:

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it is in living organisms for DNA. It is in the soil as it is used by the plants. It is present in water so the answer is all of above.

Energy is released from ATP when

Answers

Answer: The correct answer for the blank is-

Energy is released from ATP ( adenosine triphosphate) when high energy phosphoanhydride bond ( present between two phosphate) is broken down or hydrolyzed.

This results in the formation of ADP ( adenosine diphosphate) and Pi ( inorganic phosphate).

Therefore, hydrolysis of ATP releases energy.

Energy is released from ATP when ATP undergoes hydrolysis.

ATP supplies energy for cellular activities by breaking off a phosphate group from its structure.

ATP is produced through the process of cellular respiration where food particles such as glucose are broken down to yield energy in the form of ATP.

Further Explanation

Cellular respiration

  • Cellular respiration is the process of by which living organisms use nutrients or food substances to generate energy in the form of ATP that is required to drive cellular processes.
  • Cellular respiration takes place in an organelle known as mitochondrion which is known as the powerhouse of the cell.
  • Cellular respiration takes place in three stages; glycolysis, Kreb's cycle and electron transport.  
  • Each step of cellular respiration yields ATP with the electron transport chain yielding the most number of ATP molecules, 34 ATP molecules.

ATP

  • ATP is the energy carrier molecule in the cells of living organisms. It is the usable form of energy by the cells in all living forms. Cells use ATP to drive all the cellular activities such as transport, excretion, growth and development, etc.
  • ATP is produced through the process of cellular respiration where food particles such as glucose are broken down to yield energy in the form of ATP.

Hydrolysis of ATP

  • ATP molecule is made up of a nucleotide base adenine attached to three phosphate groups.
  • Energy is contained in the bonds between the phosphates in an ATP molecule which is released when they are broken through the addition of water molecules a process called hydrolysis.
  • ATP powers cellular processes by transferring phosphates group in its structure to other molecules which releases energy required to drive the cellular activities.

Keywords: cellular respiration, ATP, energy  

Learn more about:  

Level: High school  

Subject: Biology  

Topic: Cellular respiration

Sub-topic: Hydrolysis ATP

Liposomes consist of ________ bilayers that enclose an aqueous compartment where drugs can be contained for delivery to specific tissues if target proteins are present. Liposomes consist of ________ bilayers that enclose an aqueous compartment where drugs can be contained for delivery to specific tissues if target proteins are present. Membrane protein Cholesterol Phospholipids Detergents

Answers

Answer:

Phospholipid bilayer

Explanation:

Liposomes are vesicles are spherical in shape. They consist of at least one phospholipd bilayer most especially phosphatidycholine. Liposomes are artficial vesicles similar to a membrane, because it has an hydrophilic core surrounded by a hydrophobic lipid bilayer.

Liposomes are artificial prepared and are used for the transportation of substances like drugs and nutrients between cell parts, outside of the cell and into the cell.  

In liposomal drug delivery, the liposome fuses with other internal cell membranes at the site of action and releases its liposomal content.

Cell division is preceded by two growth phases. Besides growth, both G1 and G2a. contain checkpoints that determine if the cycle will continue.
b. help move chromosomes to the new daughter cells.
c. produce more chromosomes before the cell divides.
d. grow and produce enough cytoplasm to fill two cells.

Answers

The answer is a. contain checkpoints that determine if the cycle will continue. Cell cycle checkpoint are important mechanisms that control cell division. There are two checkpoints during the cell cycle: G1 and G2 checkpoint. The G1 checkpoint is right before the S phase. If something is wrong at the G1 checkpoint, the cell will not enter the S phase where DNA replication starts. The G2 checkpoint (DNA damage checkpoint) is right before the M phase. If DNA is damaged, the cell will not enter the M phase (mitosis).

escherichia coli is the scientific name of a bacterium. what category of classification is escherichia?

Answers

It is classified as a Eubacteria

What african animal was nearly made extinct by the demand for its body parts for european leisure products? a. tiger
b. elephant
c. giraffe
d. lion

Answers

I think it might have been the elephant, which is letter b
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